Josh I have an old V1 board. This is the original board with the patch to send out a keyboard key press interrupt on the board. I'll send it on to you. It's fully sockeyed and ran for months. I removed the 74xx chips to put on the V2 however. John
John John Monahan ([email protected]) On Nov 9, 2014 9:17 PM, "Crusty OMO" <[email protected]> wrote: > Hi Group, > > Well, I put up one of these boards fully built and tested on ebay. I hope > to reach some ALTAIR / IMSAI owners that may want to bring their system out > of the closet. If anyone is interested in following the auction, it's ebay > item # 251712707885 > I hope it will come up on searches... I couldn't figure out how to make it > "International shipping". > > Hopefully, it will drum up some interest in N8VEM too. > > Cheers, > Josh > > PS. Tom, > > I do not have John's Propeller Board. Perhaps John has a blank sitting on > the shelf with my name on it? > I could probably write support for the board, but, it would be difficult > for me to debug without a board to test with. > > Cheers, > Josh > > > > > > ------------------------------ > Date: Sun, 9 Nov 2014 18:52:22 -0800 > Subject: Re: [N8VEM-S100:5544] ALTAIR-IMSAI 8080 CPU Board, BOM errors > From: [email protected] > To: [email protected]; [email protected] > > Josh... > > Do you supports John's Propeller Driven Console-IO Board > on the 8080 board CP/M image?? if no, is this something your planing on > adding?? > > ADDING THIS WOULD MAKE A GREAT TWO BOARD SYSTEM... > > Thanks > > On Sun, Nov 9, 2014 at 6:00 PM, Crusty OMO <[email protected]> wrote: > > I don't have a lot of cards, but I'm primarily using a DANE-ELEC 1GB card, > works fine. > I also tried a Kingston 4GB Micro SD (with the SD adapter) - does not work. > Another one that simply says "MICRO SD" on it, which is a 2GB Micro SD > with an adapter, does not work. > > Another that only has "MINI SD" written on it, which is a 2GB Mini SD with > Adapter does work. > > I recently bought some cheap cards from China, the ELITE PRO 1GB Memory > Card, they work. > > They all work ok on my PC, I'm guessing there's some init process that I'm > not doing correctly for these larger cards. It's not worth my time to > solve the mystery, I just recommend people use 1GB or smaller. > > Cheers, > Josh > > > ------------------------------ > Date: Sun, 9 Nov 2014 16:31:45 -0800 > Subject: Re: [N8VEM-S100:5540] ALTAIR-IMSAI 8080 CPU Board, BOM errors > From: [email protected] > To: [email protected] > > > Josh... > > what brand and size of SD cards have you tested with ?? > > thanks > > On Sun, Nov 9, 2014 at 12:30 PM, Crusty OMO <[email protected]> wrote: > > Hi Group, > > Well, the moment has come for me to stand up and admit I'm an idiot! > > This has come after a long search and struggle to find out why CP/M 2.2 > would not save files correctly. > > Apparently in CP/M 2.2, they number the sectors from 0. While, iirc, in > CP/M 1.4 it started at 1. > > I spent hours testing my disk read/write routines and could not find > faults. > > I even thought my CP/M image got corrupt, and Rich Cini was very kind to > send me another image. I was hoping the files where different, but that > wasn't the problem either. > > The whole fix, just really required me to remove a simple "Decrement > Sector" instruction because I thought CP/M used 1 as it's starting sector, > where I needed 0. > > Sigh... ok, problem solved.... > > New firmware file and Disk file images (with CP/M standard files uploaded) > on the wiki site at: > > > http://n8vem-sbc.pbworks.com/w/file/88759892/FIRMWARE%20and%20CPM%20v-disk%20image%20AIR-V12.zip > > Cheers! > Josh Bensadon > > > > -- > You received this message because you are subscribed to the Google Groups > "N8VEM-S100" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. > > > > > -- > > ~~ _/) ~~~~ _/) ~~~~ _/) ~~~~ _/) ~~ > > Tom Lafleur > > > -- > You received this message because you are subscribed to the Google Groups > "N8VEM-S100" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. > > -- > You received this message because you are subscribed to the Google Groups > "N8VEM-S100" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. > > > > > -- > > ~~ _/) ~~~~ _/) ~~~~ _/) ~~~~ _/) ~~ > > Tom Lafleur > > > -- > You received this message because you are subscribed to the Google Groups > "N8VEM-S100" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. > > -- > You received this message because you are subscribed to the Google Groups > "N8VEM-S100" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "N8VEM-S100" group. 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